HXGN17-12/24/40.5KV High Voltage Fixed Switchgear

HXGN17 series fixed high voltage switchgear, the main primary elements used in the equipment are all redesigning, compared with the currently used handcart switchgear and GG-1(A) F type switchgear, it has higher insulation level and protection level, and the internal does not use any form of interphase and the relative clapboard and insulation gas, the secondary circuit does not use secondary plugs;

It is widely used in 7.2~40.5kV electric power distribution system, as acceptance and distribution of high voltage power equipment.

Product Highlights
  • This product meets the requirements of “five prevention”.
  • The products meet IEC298 standards “3~40.5kV AC metal closed switch”.
  • The switchgear meet the requirements of standard IEC62271-200,IEC62271-100 etc.

Overview

HXGN17 series fixed high voltage switchgear, the main primary elements used in the equipment are all redesigning, compared with the currently used handcart switchgear and GG-1(A) F type switchgear, it has higher insulation level and protection level, and the internal does not use any form of interphase and the relative clapboard and insulation gas, the secondary circuit does not use secondary plugs;

It is widely used in 7.2~40.5kV electric power distribution system, as acceptance and distribution of high voltage power equipment.

HXGN-17

Working Conditions
  1. Ambient temperature:-30℃ ~ +50℃;
  2. Altitude: Not exceed 2500m above sea level;
  3. Ambient humidity: Daily average RH ≤ 95%;
  4. Monthly average RH ≤ 90%;
  5. Ambient environment: no explosion danger, serious pollution, chemical corrosion and severe vibration place;

Technical Parameters

product specification

No. Item Unit Data
1 Maximum service voltage kV 12 15 24 40.5
2 Rated voltage kV 7.2, 11 13.8, 15 17.5, 20, 22 30, 33, 36
3 1min Power frequency withstand voltage Phase to phase, phase to earth kV 42 48 55 85
Fracture kV 48 55 65 95
4 Lightning impulse withstand voltage Phase to phase, phase to earth kV 75 90 125/150 170
Fracture kV 85 105 150/160 185
5 Rated current A 630~2000
6 Rated breaking current kA 20, 25, 31.5, 40
7 Rated short circuit making current kA 40, 50, 80, 100
8 Rated short circuit dynamic stable current kA 40, 50, 80, 100
9 Rated thermal stability current kA 20, 25, 31.5, 40
10 Rated thermal stability time s 4
11 Protection grade IP4X
12 Busbar system single bus, single bus with bypass
13 Operation mode Electromagnetic, spring energy storage type
14 Dimensions: Width * Deep * Hight mm 700 (900)*900*2200
15 Weight kg 400~800

Internal Structure

HXGN17 Outline diagram (Figure 1)

HXGN-17 diagram-1

  1. Bus room
  2. Cable room
  3. Earthing busbar
  4. Electromagnetic (spring) mechanism
  5. Circuit breaker room
  6. Manual operation and interlocking mechanism
  7. Operating chamber
  8. Pressure release passage
  9. Instrument room
  10. Small terminals

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